Method and apparatus for determining transmission time point of type 1 configured grant in wireless communication system

Abstract

The disclosure relates to a communication technique for converging an IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, healthcare, digital education, retail business, a security and safety related service, or the like) based on a 5G communication technology and an IoT related technology. The disclosure provides a method and apparatus for determining a transmission time point of a type 1 configured grant in a wireless communication system.

What is claimed is: 
     
       1. A method performed by a terminal in a wireless communication system, the method comprising:
 receiving, from a base station, configuration information on a configured grant including first information on an offset and second information on a time reference system frame number (SFN); 
 identifying a resource for initializing the configured grant based on the offset and a first SFN for which the offset is applied; 
 identifying whether a continue indicator associated with a transmission for the configured grant is configured; 
 in case that the continue indicator is configured, performing a first type transmission for the configured grant initialized in the identified resource based on a periodicity, wherein the first SFN is determined as a closest SFN with a number indicated by the second information preceding a reception of the configuration information; and 
 in case that the continue indicator is not configured, performing a second type transmission for the configured grant initialized in the identified resource based on the periodicity until a next SFN with a number of 0, 
 wherein, after the next SFN with the number of 0, the second type transmission for the configured grant is initiated based on a second SFN and performed based on the periodicity, and 
 wherein the second SFN is obtained by applying the offset to every SFN with the number of 0. 
 
     
     
       2. The method of  claim 1 ,
 wherein the configuration information further includes third information associated with a symbol length, and 
 wherein the third information is used to determine a symbol for the identified resource. 
 
     
     
       3. The method of  claim 1 ,
 wherein the configuration information is received by a radio resource control (RRC) message, and 
 wherein the configured grant is a configured grant type 1. 
 
     
     
       4. The method of  claim 3 ,
 wherein the RRC message further includes information on the periodicity. 
 
     
     
       5. A method performed by a base station in a wireless communication system, the method comprising:
 transmitting, to a terminal, configuration information on a configured grant including first information on an offset and second information on a time reference system frame number (SFN); and 
 receiving, from the terminal, data for the configured grant initialized in a resource, 
 wherein the resource is identified based on the offset and a first SFN for which the offset is applied, and the first SFN is determined as a closest SFN system frame number with a number indicated by the second information preceding a reception of the configuration information by the terminal, 
 wherein, in case that the base station configures a continue indicator associated with a transmission for the configured grant, the data for the configured grant is received based on a periodicity, 
 wherein, in case that the base station does not configure the continue indicator associated with the transmission for the configured grant, the data for the configured grant is received based on the periodicity until a next SFN with a number of 0, and after the next SFN with the number of 0, a reception of the data for the configured grant is initiated based on a second SFN and performed based on the periodicity, and 
 wherein the second SFN is obtained by applying the offset to every SFN with the number of 0. 
 
     
     
       6. The method of  claim 5 ,
 wherein the configuration information further includes third information associated with a symbol length, and 
 wherein the third information is used to determine a symbol for the identified resource. 
 
     
     
       7. The method of  claim 5 ,
 wherein the configuration information is transmitted by a radio resource control (RRC) message, and 
 wherein the configured grant is a configured grant type 1. 
 
     
     
       8. The method of  claim 7 ,
 wherein the RRC message further includes information on the periodicity. 
 
     
     
       9. A terminal in a wireless communication system, the terminal comprising:
 a transceiver; and 
 a controller configured to:
 control the transceiver to receive, from a base station, configuration information on a configured grant including first information on an offset and second information on a time reference system frame number (SFN); 
 identify a resource for initializing the configured grant based on the offset and a first SFN for which the offset is applied; 
 identify whether a continue indicator associated with a transmission for the configured grant is configured; 
 in case that the continue indicator is configured, perform a first type transmission for the configured grant initialized in the identified resource based on a periodicity, wherein the first SFN is determined as a closest SFN with a number indicated by the second information preceding a reception of the configuration information; and 
 in case that the continue indicator is not configured, perform a second type transmission for the configured grant initialized in the identified resource based on the periodicity until a next SFN with a number of 0, 
 wherein, after the next SFN with the number of 0, the second type transmission for the configured grant is initiated based on a second SFN and performed based on the periodicity, and 
 wherein the second SFN being determined by applying the offset to every SFN with the number of 0. 
 
 
     
     
       10. The terminal of  claim 9 ,
 wherein the configuration information further includes third information associated with a symbol length, and 
 wherein the controller is further configured to determine a symbol for the identified resource using the third information. 
 
     
     
       11. The terminal of  claim 9 ,
 wherein the configuration information is received by a radio resource control (RRC) message, and 
 wherein the configured grant is a configured grant type 1. 
 
     
     
       12. The terminal of  claim 11 ,
 wherein the RRC message further includes information on a periodicity. 
 
     
     
       13. A base station in a wireless communication system, the base station comprising:
 a transceiver; and 
 a controller configured to:
 control the transceiver to transmit, to a terminal, configuration information on a configured grant including first information on an offset and second information on a time reference system frame number (SFN); and 
 control the transceiver to receive, from the terminal, data for the configured grant initialized in a resource, 
 
 wherein the resource is identified based on the offset and a first SFN for which the offset is applied, and the first SFN is determined as a closest SFN with a number indicated by the second information preceding a reception of the configuration information by the terminal, 
 wherein, in case that the base station configures a continue indicator associated with a transmission for the configured grant, the data for the configured grant is received based on a periodicity, 
 wherein, in case that the base station does not configure the continue indicator associated with the transmission for the configured grant, the data for the configured grant is received based on the periodicity until a next SFN with a number of 0, and after the next SFN with the number of 0, a reception of the data for the configured grant is initiated based on a second SFN and performed based on the periodicity, and 
 wherein the second SFN is obtained by applying the offset to every SFN with the number of 0. 
 
     
     
       14. The base station of  claim 13 ,
 wherein the configuration information further includes third information associated with a symbol length, and 
 wherein the third information is used to determine a symbol for the identified resource. 
 
     
     
       15. The base station of  claim 13 ,
 wherein the configuration information is transmitted by a radio resource control (RRC) message, and 
 wherein the configured grant is a configured grant type 1. 
 
     
     
       16. The base station of  claim 15 ,
 wherein the RRC message further includes information on the periodicity.